Home / 6,859.60-10,278.88-3,573.76

Finding the Fourth Proportional to 6,859.60, 10,278.88 and 3,573.76

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Solution

The fourth proportional to 6,859.60, 10,278.88 and 3,573.76 is: 5,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.60 : 10,278.88 = 3,573.76 : x
  2. Step 2: Convert to fraction form
    6,859.60/10,278.88 = 3,573.76/x
  3. Step 3: Cross multiply
    6,859.60x = 10,278.88 × 3,573.76
  4. Step 4: Simplify right side
    6,859.60x = 36,734,250.19
  5. Step 5: Solve for x
    x = 36,734,250.19/6,859.60
  6. Step 6: Final answer
    x = 5,355.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.